import java.awt.*; public class DLA extends java.applet.Applet{ private Controls control_panel; private Plot plot; private Cluster cluster; private Simulation sim; public Thread runner; private int LATTICE=15; public void init(){ setLayout(new BorderLayout()); cluster = new Cluster(LATTICE); plot = new Plot(LATTICE); control_panel = new Controls(this); sim = new Simulation(this,plot,cluster,control_panel,LATTICE); add("Center",plot); add("South",control_panel);} public void start(){ runner = new Thread(sim); runner.start(); } public void stop(){ if(runner!=null) runner.stop(); } }